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  1. #1
    Member TurkeyHerder's Avatar
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    Jan 2013
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    Warrenton, VA
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    Kubota L3800HST

    Default L3800 HST All Wheels are not Spinning When Stuck; Tractor selected in 4 Wheel Drive

    I have a 2012 kubota L3800 HST. While plowing (all wheel selector engaged) through a hard spot and the tractor starts to spin, the right front wheel does not spin. Is this normal?

  2. #2
    Silver Member
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    Nov 2011
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    Red Springs, NC
    Tractor
    Kubota L3700SU

    Default Re: L3800 HST All Wheels are not Spinning When Stuck; Tractor selected in 4 Wheel Dr

    Yes this is very possible. You can only lock the rear axle so both rear tires will pull even if one is in the air. The front has a open differential which means the tire with the least amount of traction will spin.

  3. #3
    Advertiser kennyd's Avatar
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    Westminster, MD
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    John Deere 4110, 455

    Default Re: L3800 HST All Wheels are not Spinning When Stuck; Tractor selected in 4 Wheel Dr

    Yes, its normal. More like 3 wheel drive
    KennyD
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  4. #4
    Member TurkeyHerder's Avatar
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    Kubota L3800HST

    Default Re: L3800 HST All Wheels are not Spinning When Stuck; Tractor selected in 4 Wheel Dr

    Great knowledge and makes sense. Thank you

  5. #5
    Veteran Member RaydaKub's Avatar
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    Rochester, MN
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    Kubota BX2230

    Default Re: L3800 HST All Wheels are not Spinning When Stuck; Tractor selected in 4 Wheel Dr

    The open differential is necessary for the steering wheels to be able to 'give' when you are turning.

  6. #6
    Super Star Member
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    Kubota, John Deere, Case, Massey Ferguson, Ford

    Default Re: L3800 HST All Wheels are not Spinning When Stuck; Tractor selected in 4 Wheel Dr

    Yes, no locking front differentials on Kubotas and only some bigger M models have limited slip fronts.

  7. #7
    Veteran Member xring100's Avatar
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    Dec 2012
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    Livingston County, Michigan
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    Kubota M8540

    Default

    Quote Originally Posted by TripleR View Post
    Yes, no locking front differentials on Kubotas and only some bigger M models have limited slip fronts.
    I believe everything from M7040 on up has limited slip v. the standard unlimited slip differential . Definitely handy when trying to back up when using the FEL in soft ground like wet clay
    Edit: especially when backing up a hill and weight is transferred forward
    Dave

    Dave

  8. #8
    Super Star Member
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    Missouri
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    Kubota, John Deere, Case, Massey Ferguson, Ford

    Default Re: L3800 HST All Wheels are not Spinning When Stuck; Tractor selected in 4 Wheel Dr

    Quote Originally Posted by xring100 View Post
    I believe everything from M7040 on up has limited slip v. the standard unlimited slip differential . Definitely handy when trying to back up when using the FEL in soft ground like wet clay
    Edit: especially when backing up a hill and weight is transferred forward
    Dave
    It sure is nice, we use to get our Case CX80 stuck on a fairly regular basis, but have yet to get the M8540 into something we could not get out of with the FEL anf diff lock along with the limited slip front differential. My son and I cleaned an old pond out a couple of years ago and he was often dragging the belly on the 8540 and it just kept going; I am sold on them, just wish my 5740 had it.

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